Environmental Engineering The design discharge for the combined sewer system shall be taken as Rainfall + 2 DWF Equal to rainfall Rainfall + 6 DWF Rainfall + DWF Rainfall + 2 DWF Equal to rainfall Rainfall + 6 DWF Rainfall + DWF ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Chlorine demand of water is equal to Residual chlorine Difference of applied and residual chlorine Applied chlorine Sum of applied and residual chlorine Residual chlorine Difference of applied and residual chlorine Applied chlorine Sum of applied and residual chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The settling velocity of a particle in a sedimentation tank increases if The surface area of tank is increased The depth of tank is decreased None of these Particle size is decreased The surface area of tank is increased The depth of tank is decreased None of these Particle size is decreased ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is Air relief valve Pressure relief valve Reflux valve Sluice valve Air relief valve Pressure relief valve Reflux valve Sluice valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering When there is no recirculation of sewage, then recirculation factor is None of these Infinity 1 None of these Infinity 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effect of increasing diameter of sewer on the self cleansing velocity is To increase it Fluctuating Nil To decrease it To increase it Fluctuating Nil To decrease it ANSWER DOWNLOAD EXAMIANS APP
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